[linux-lvm] multipath works; lvm on multipath does not

[malahal at us.ibm.com]

Brian Elliott Finley [finley at anl.gov] wrote:
> Malahal,
> 
> I took a look inside the initrd to see what it might be doing to
> contribute to this.  What I see is the following:
> 
> ./etc/udev/rules.d/85-lvm2.rules
> ./etc/udev/rules.d/95-multipath.rules
> 
> Looks like a vgscan is being done inside the initrd (without an lvm.conf
> file) before multipath is setup.  Could that be the cause?

Yes, yes! Also, you *should* see some failures from multipath command
as it will fail to grab one of the paths...